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Consider (12.5 + A) micro-grams of a radioactive isotope with a mass number of (78 +...

Consider (12.5 + A) micro-grams of a radioactive isotope with a mass number of (78 + B) and a half-life of (32.6 + C) million years. If energy released in each decay is 32.6 keV, determine the total energy released in joules (J) in 1 (one) year. Give your answer with three significant figures. A= 7 B= 8 C = 18

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